From the kitchen of Adeline Leahy, my grandmother
Preheat oven to 350 degrees.
Spray 24 mini muffin tins with nonstick spray well and sprinkle with graham cracker crumbs.
Mix:
2 8 ounce soften packages of cream cheese
3/4 cup sugar
3 egg yolks
Beat 3 egg whites very stiff and fold into the mixture.
Fill tins almost to the top and bake for 15 minutes.
Remove from oven and cool (depression will appear)
Mix:
3/4 cup sour cream
2 1/2 tsp sugar
1 tsp vanilla
Fill in the depressions in the tins.
Heat in oven for 5 minutes. Cool in tins and then remove very carefully.
Refrigerate until ready to serve. Top with blueberry sauce if desired.